Home / Standards / GB/T 30867-2014 GB/T 30867-2014 Abolished Test method for measuring thickness and total thickness variation of monocrystalline silicon carbide wafers 碳化硅单晶片厚度和总厚度变化测试方法 Standard Type GBT ICS 29.045 CCS H83 Status 废止 Issue Date 2014-07-24 Implementation 2015-02-01 Responsible Dept 国家标准委 Drafting Unit N/A